\documentclass{llncs}
\usepackage[utf8x]{inputenc}
\usepackage{multirow}% Para poder unir filas en las tablas
\usepackage{colortbl}% Para colorear tablas

%opening
\title{Automated Bug Fixing using Workarounds}
%\author{\email{Uva, Marcelo y  Aguirre, Nazareno\\$\{$uva,naguirre$\}$@dc.exa.unrc.edu.ar}\\}

\author{Marcelo Uva\inst{1} \and Nazareno Aguirre\inst{1,2}}

%%\authorrunning{Marcelo Uva and Nazareno Aguirre} 

\institute{Departamento de Computaci\'on, FCEFQyN, Universidad Nacional de R\'{\i}o Cuarto, R\'{\i}o Cuarto, Argentina. 
Email: \email{$\{$uva,naguirre$\}$@dc.exa.unrc.edu.ar}
\and
Consejo Nacional de Investigaciones Cient\'{\i}ficas y T\'ecnicas (CONICET)
}

\begin{document}

\maketitle

\input{abstract.tex}

%include introduction section
\input{introduction-section.tex}

%include Alloy and Dynalloy section 
\input{preliminaries-section}


%include workaround section

\input{motivating-examples}


%include pwa-section, we propose... 
\input{technique}


%include case of study section 
\input{experimental-results}


\input{conclusions-section.tex}


\input{bibliography.tex}
\end{document}
